"""
第二周_第一节_课后作业
"""


def addition(a, b):
    result = a + b
    return result


def subtraction(a, b):
    result = a - b
    return result


def multiplication(a, b):
    result = a * b
    return result


def division(a, b):
    result = a / b
    return result


def exact_division(a, b):
    result = a // b
    return result


def modulus(a, b):
    result = a % b
    return result


def exponent(a, b):
    result = a ** b
    return result


def sqrt(a):
    result = a ** (1/2)
    return result



z = addition(1, 2)
print(z)

y = subtraction(5, 6)
print(y)

x = multiplication(5, 7)
print(x)

m = division(9, 3)
print(m)

n = exact_division(123, 51)
print(n)

o = modulus(5, 4)
print(o)

p = exponent(2, 8)
print(p)

r = sqrt(625)
print(r)